Home / 94,127.14-129,898.11-55,877.32

Finding the Fourth Proportional to 94,127.14, 129,898.11 and 55,877.32

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Solution

The fourth proportional to 94,127.14, 129,898.11 and 55,877.32 is: 77,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,127.14 : 129,898.11 = 55,877.32 : x
  2. Step 2: Convert to fraction form
    94,127.14/129,898.11 = 55,877.32/x
  3. Step 3: Cross multiply
    94,127.14x = 129,898.11 × 55,877.32
  4. Step 4: Simplify right side
    94,127.14x = 7,258,358,259.87
  5. Step 5: Solve for x
    x = 7,258,358,259.87/94,127.14
  6. Step 6: Final answer
    x = 77,112.28

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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.