Home / 109,861.08-151,602.15-61,453.67

Finding the Fourth Proportional to 109,861.08, 151,602.15 and 61,453.67

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Solution

The fourth proportional to 109,861.08, 151,602.15 and 61,453.67 is: 84,802.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,861.08 : 151,602.15 = 61,453.67 : x
  2. Step 2: Convert to fraction form
    109,861.08/151,602.15 = 61,453.67/x
  3. Step 3: Cross multiply
    109,861.08x = 151,602.15 × 61,453.67
  4. Step 4: Simplify right side
    109,861.08x = 9,316,507,969.83
  5. Step 5: Solve for x
    x = 9,316,507,969.83/109,861.08
  6. Step 6: Final answer
    x = 84,802.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.