Home / 124,561.40-171,898.50-70,854.08

Finding the Fourth Proportional to 124,561.40, 171,898.50 and 70,854.08

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Solution

The fourth proportional to 124,561.40, 171,898.50 and 70,854.08 is: 97,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,561.40 : 171,898.50 = 70,854.08 : x
  2. Step 2: Convert to fraction form
    124,561.40/171,898.50 = 70,854.08/x
  3. Step 3: Cross multiply
    124,561.40x = 171,898.50 × 70,854.08
  4. Step 4: Simplify right side
    124,561.40x = 12,179,710,070.88
  5. Step 5: Solve for x
    x = 12,179,710,070.88/124,561.40
  6. Step 6: Final answer
    x = 97,780.77

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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.