Home / 107,345.40-148,129.78-59,598.74

Finding the Fourth Proportional to 107,345.40, 148,129.78 and 59,598.74

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Solution

The fourth proportional to 107,345.40, 148,129.78 and 59,598.74 is: 82,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,345.40 : 148,129.78 = 59,598.74 : x
  2. Step 2: Convert to fraction form
    107,345.40/148,129.78 = 59,598.74/x
  3. Step 3: Cross multiply
    107,345.40x = 148,129.78 × 59,598.74
  4. Step 4: Simplify right side
    107,345.40x = 8,828,348,244.48
  5. Step 5: Solve for x
    x = 8,828,348,244.48/107,345.40
  6. Step 6: Final answer
    x = 82,242.45

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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.