Home / 93,066.09-128,432.57-57,234.93

Finding the Fourth Proportional to 93,066.09, 128,432.57 and 57,234.93

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Solution

The fourth proportional to 93,066.09, 128,432.57 and 57,234.93 is: 78,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,066.09 : 128,432.57 = 57,234.93 : x
  2. Step 2: Convert to fraction form
    93,066.09/128,432.57 = 57,234.93/x
  3. Step 3: Cross multiply
    93,066.09x = 128,432.57 × 57,234.93
  4. Step 4: Simplify right side
    93,066.09x = 7,350,829,153.67
  5. Step 5: Solve for x
    x = 7,350,829,153.67/93,066.09
  6. Step 6: Final answer
    x = 78,985.04

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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.