Home / 124,541.90-171,871.62-70,834.65

Finding the Fourth Proportional to 124,541.90, 171,871.62 and 70,834.65

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Solution

The fourth proportional to 124,541.90, 171,871.62 and 70,834.65 is: 97,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,541.90 : 171,871.62 = 70,834.65 : x
  2. Step 2: Convert to fraction form
    124,541.90/171,871.62 = 70,834.65/x
  3. Step 3: Cross multiply
    124,541.90x = 171,871.62 × 70,834.65
  4. Step 4: Simplify right side
    124,541.90x = 12,174,466,047.63
  5. Step 5: Solve for x
    x = 12,174,466,047.63/124,541.90
  6. Step 6: Final answer
    x = 97,753.98

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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.