Home / 93,587.86-129,114.61-57,715.60

Finding the Fourth Proportional to 93,587.86, 129,114.61 and 57,715.60

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Solution

The fourth proportional to 93,587.86, 129,114.61 and 57,715.60 is: 79,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,587.86 : 129,114.61 = 57,715.60 : x
  2. Step 2: Convert to fraction form
    93,587.86/129,114.61 = 57,715.60/x
  3. Step 3: Cross multiply
    93,587.86x = 129,114.61 × 57,715.60
  4. Step 4: Simplify right side
    93,587.86x = 7,451,927,184.92
  5. Step 5: Solve for x
    x = 7,451,927,184.92/93,587.86
  6. Step 6: Final answer
    x = 79,624.93

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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.