Home / 77,534.04-107,013.66-47,312.91

Finding the Fourth Proportional to 77,534.04, 107,013.66 and 47,312.91

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Solution

The fourth proportional to 77,534.04, 107,013.66 and 47,312.91 is: 65,302.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,534.04 : 107,013.66 = 47,312.91 : x
  2. Step 2: Convert to fraction form
    77,534.04/107,013.66 = 47,312.91/x
  3. Step 3: Cross multiply
    77,534.04x = 107,013.66 × 47,312.91
  4. Step 4: Simplify right side
    77,534.04x = 5,063,127,664.35
  5. Step 5: Solve for x
    x = 5,063,127,664.35/77,534.04
  6. Step 6: Final answer
    x = 65,302.00

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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.