Home / 102,674.48-141,681.56-57,346.16

Finding the Fourth Proportional to 102,674.48, 141,681.56 and 57,346.16

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Solution

The fourth proportional to 102,674.48, 141,681.56 and 57,346.16 is: 79,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,674.48 : 141,681.56 = 57,346.16 : x
  2. Step 2: Convert to fraction form
    102,674.48/141,681.56 = 57,346.16/x
  3. Step 3: Cross multiply
    102,674.48x = 141,681.56 × 57,346.16
  4. Step 4: Simplify right side
    102,674.48x = 8,124,893,408.81
  5. Step 5: Solve for x
    x = 8,124,893,408.81/102,674.48
  6. Step 6: Final answer
    x = 79,132.55

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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.