Home / 59,415.12-81,988.20-34,259.76

Finding the Fourth Proportional to 59,415.12, 81,988.20 and 34,259.76

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Solution

The fourth proportional to 59,415.12, 81,988.20 and 34,259.76 is: 47,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,415.12 : 81,988.20 = 34,259.76 : x
  2. Step 2: Convert to fraction form
    59,415.12/81,988.20 = 34,259.76/x
  3. Step 3: Cross multiply
    59,415.12x = 81,988.20 × 34,259.76
  4. Step 4: Simplify right side
    59,415.12x = 2,808,896,054.83
  5. Step 5: Solve for x
    x = 2,808,896,054.83/59,415.12
  6. Step 6: Final answer
    x = 47,275.78

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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.