Home / 94,179.16-129,970.74-56,446.12

Finding the Fourth Proportional to 94,179.16, 129,970.74 and 56,446.12

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Solution

The fourth proportional to 94,179.16, 129,970.74 and 56,446.12 is: 77,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,179.16 : 129,970.74 = 56,446.12 : x
  2. Step 2: Convert to fraction form
    94,179.16/129,970.74 = 56,446.12/x
  3. Step 3: Cross multiply
    94,179.16x = 129,970.74 × 56,446.12
  4. Step 4: Simplify right side
    94,179.16x = 7,336,343,986.53
  5. Step 5: Solve for x
    x = 7,336,343,986.53/94,179.16
  6. Step 6: Final answer
    x = 77,897.74

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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.