Home / 61,428.98-84,776.28-34,574.06

Finding the Fourth Proportional to 61,428.98, 84,776.28 and 34,574.06

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Solution

The fourth proportional to 61,428.98, 84,776.28 and 34,574.06 is: 47,714.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,428.98 : 84,776.28 = 34,574.06 : x
  2. Step 2: Convert to fraction form
    61,428.98/84,776.28 = 34,574.06/x
  3. Step 3: Cross multiply
    61,428.98x = 84,776.28 × 34,574.06
  4. Step 4: Simplify right side
    61,428.98x = 2,931,060,191.30
  5. Step 5: Solve for x
    x = 2,931,060,191.30/61,428.98
  6. Step 6: Final answer
    x = 47,714.62

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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.