Home / 58,031.69-79,562.19-56,981.93

Finding the Fourth Proportional to 58,031.69, 79,562.19 and 56,981.93

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Solution

The fourth proportional to 58,031.69, 79,562.19 and 56,981.93 is: 78,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,031.69 : 79,562.19 = 56,981.93 : x
  2. Step 2: Convert to fraction form
    58,031.69/79,562.19 = 56,981.93/x
  3. Step 3: Cross multiply
    58,031.69x = 79,562.19 × 56,981.93
  4. Step 4: Simplify right side
    58,031.69x = 4,533,607,141.23
  5. Step 5: Solve for x
    x = 4,533,607,141.23/58,031.69
  6. Step 6: Final answer
    x = 78,122.96

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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.