Home / 58,031.19-79,561.50-56,981.43

Finding the Fourth Proportional to 58,031.19, 79,561.50 and 56,981.43

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Solution

The fourth proportional to 58,031.19, 79,561.50 and 56,981.43 is: 78,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,031.19 : 79,561.50 = 56,981.43 : x
  2. Step 2: Convert to fraction form
    58,031.19/79,561.50 = 56,981.43/x
  3. Step 3: Cross multiply
    58,031.19x = 79,561.50 × 56,981.43
  4. Step 4: Simplify right side
    58,031.19x = 4,533,528,042.95
  5. Step 5: Solve for x
    x = 4,533,528,042.95/58,031.19
  6. Step 6: Final answer
    x = 78,122.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.