Home / 93,890.88-129,568.32-56,165.04

Finding the Fourth Proportional to 93,890.88, 129,568.32 and 56,165.04

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Solution

The fourth proportional to 93,890.88, 129,568.32 and 56,165.04 is: 77,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,890.88 : 129,568.32 = 56,165.04 : x
  2. Step 2: Convert to fraction form
    93,890.88/129,568.32 = 56,165.04/x
  3. Step 3: Cross multiply
    93,890.88x = 129,568.32 × 56,165.04
  4. Step 4: Simplify right side
    93,890.88x = 7,277,209,875.53
  5. Step 5: Solve for x
    x = 7,277,209,875.53/93,890.88
  6. Step 6: Final answer
    x = 77,507.10

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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.