Home / 51,637.80-77,456.70-48,527.40

Finding the Fourth Proportional to 51,637.80, 77,456.70 and 48,527.40

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Solution

The fourth proportional to 51,637.80, 77,456.70 and 48,527.40 is: 72,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,637.80 : 77,456.70 = 48,527.40 : x
  2. Step 2: Convert to fraction form
    51,637.80/77,456.70 = 48,527.40/x
  3. Step 3: Cross multiply
    51,637.80x = 77,456.70 × 48,527.40
  4. Step 4: Simplify right side
    51,637.80x = 3,758,772,263.58
  5. Step 5: Solve for x
    x = 3,758,772,263.58/51,637.80
  6. Step 6: Final answer
    x = 72,791.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.