Home / 109,570.08-151,206.72-61,833.60

Finding the Fourth Proportional to 109,570.08, 151,206.72 and 61,833.60

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Solution

The fourth proportional to 109,570.08, 151,206.72 and 61,833.60 is: 85,330.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,570.08 : 151,206.72 = 61,833.60 : x
  2. Step 2: Convert to fraction form
    109,570.08/151,206.72 = 61,833.60/x
  3. Step 3: Cross multiply
    109,570.08x = 151,206.72 × 61,833.60
  4. Step 4: Simplify right side
    109,570.08x = 9,349,655,841.79
  5. Step 5: Solve for x
    x = 9,349,655,841.79/109,570.08
  6. Step 6: Final answer
    x = 85,330.37

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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.