Home / 124,985.64-187,498-40,726.24

Finding the Fourth Proportional to 124,985.64, 187,498 and 40,726.24

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Solution

The fourth proportional to 124,985.64, 187,498 and 40,726.24 is: 61,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,985.64 : 187,498 = 40,726.24 : x
  2. Step 2: Convert to fraction form
    124,985.64/187,498 = 40,726.24/x
  3. Step 3: Cross multiply
    124,985.64x = 187,498 × 40,726.24
  4. Step 4: Simplify right side
    124,985.64x = 7,636,088,547.52
  5. Step 5: Solve for x
    x = 7,636,088,547.52/124,985.64
  6. Step 6: Final answer
    x = 61,095.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.