Home / 94,128.64-129,901.76-56,402.08

Finding the Fourth Proportional to 94,128.64, 129,901.76 and 56,402.08

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Solution

The fourth proportional to 94,128.64, 129,901.76 and 56,402.08 is: 77,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,128.64 : 129,901.76 = 56,402.08 : x
  2. Step 2: Convert to fraction form
    94,128.64/129,901.76 = 56,402.08/x
  3. Step 3: Cross multiply
    94,128.64x = 129,901.76 × 56,402.08
  4. Step 4: Simplify right side
    94,128.64x = 7,326,729,459.66
  5. Step 5: Solve for x
    x = 7,326,729,459.66/94,128.64
  6. Step 6: Final answer
    x = 77,837.41

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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.