Home / 88,164.26-121,663.34-47,877.16

Finding the Fourth Proportional to 88,164.26, 121,663.34 and 47,877.16

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Solution

The fourth proportional to 88,164.26, 121,663.34 and 47,877.16 is: 66,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,164.26 : 121,663.34 = 47,877.16 : x
  2. Step 2: Convert to fraction form
    88,164.26/121,663.34 = 47,877.16/x
  3. Step 3: Cross multiply
    88,164.26x = 121,663.34 × 47,877.16
  4. Step 4: Simplify right side
    88,164.26x = 5,824,895,195.31
  5. Step 5: Solve for x
    x = 5,824,895,195.31/88,164.26
  6. Step 6: Final answer
    x = 66,068.67

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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.