Home / 62,948.80-86,823.68-42,770.40

Finding the Fourth Proportional to 62,948.80, 86,823.68 and 42,770.40

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Solution

The fourth proportional to 62,948.80, 86,823.68 and 42,770.40 is: 58,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,948.80 : 86,823.68 = 42,770.40 : x
  2. Step 2: Convert to fraction form
    62,948.80/86,823.68 = 42,770.40/x
  3. Step 3: Cross multiply
    62,948.80x = 86,823.68 × 42,770.40
  4. Step 4: Simplify right side
    62,948.80x = 3,713,483,523.07
  5. Step 5: Solve for x
    x = 3,713,483,523.07/62,948.80
  6. Step 6: Final answer
    x = 58,992.13

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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.