Home / 105,021.68-144,957.48-59,726.16

Finding the Fourth Proportional to 105,021.68, 144,957.48 and 59,726.16

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Solution

The fourth proportional to 105,021.68, 144,957.48 and 59,726.16 is: 82,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,021.68 : 144,957.48 = 59,726.16 : x
  2. Step 2: Convert to fraction form
    105,021.68/144,957.48 = 59,726.16/x
  3. Step 3: Cross multiply
    105,021.68x = 144,957.48 × 59,726.16
  4. Step 4: Simplify right side
    105,021.68x = 8,657,753,643.68
  5. Step 5: Solve for x
    x = 8,657,753,643.68/105,021.68
  6. Step 6: Final answer
    x = 82,437.78

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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.