Home / 107,133.68-147,828.94-59,387

Finding the Fourth Proportional to 107,133.68, 147,828.94 and 59,387

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Solution

The fourth proportional to 107,133.68, 147,828.94 and 59,387 is: 81,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,133.68 : 147,828.94 = 59,387 : x
  2. Step 2: Convert to fraction form
    107,133.68/147,828.94 = 59,387/x
  3. Step 3: Cross multiply
    107,133.68x = 147,828.94 × 59,387
  4. Step 4: Simplify right side
    107,133.68x = 8,779,117,259.78
  5. Step 5: Solve for x
    x = 8,779,117,259.78/107,133.68
  6. Step 6: Final answer
    x = 81,945.45

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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.