Home / 125,059.90-172,582.76-67,699.05

Finding the Fourth Proportional to 125,059.90, 172,582.76 and 67,699.05

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Solution

The fourth proportional to 125,059.90, 172,582.76 and 67,699.05 is: 93,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,059.90 : 172,582.76 = 67,699.05 : x
  2. Step 2: Convert to fraction form
    125,059.90/172,582.76 = 67,699.05/x
  3. Step 3: Cross multiply
    125,059.90x = 172,582.76 × 67,699.05
  4. Step 4: Simplify right side
    125,059.90x = 11,683,688,898.38
  5. Step 5: Solve for x
    x = 11,683,688,898.38/125,059.90
  6. Step 6: Final answer
    x = 93,424.74

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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.