Home / 94,124.40-129,928.68-56,391.36

Finding the Fourth Proportional to 94,124.40, 129,928.68 and 56,391.36

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Solution

The fourth proportional to 94,124.40, 129,928.68 and 56,391.36 is: 77,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,124.40 : 129,928.68 = 56,391.36 : x
  2. Step 2: Convert to fraction form
    94,124.40/129,928.68 = 56,391.36/x
  3. Step 3: Cross multiply
    94,124.40x = 129,928.68 × 56,391.36
  4. Step 4: Simplify right side
    94,124.40x = 7,326,854,968.20
  5. Step 5: Solve for x
    x = 7,326,854,968.20/94,124.40
  6. Step 6: Final answer
    x = 77,842.25

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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.