Home / 58,386.84-87,444.18-45,196.80

Finding the Fourth Proportional to 58,386.84, 87,444.18 and 45,196.80

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Solution

The fourth proportional to 58,386.84, 87,444.18 and 45,196.80 is: 67,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,386.84 : 87,444.18 = 45,196.80 : x
  2. Step 2: Convert to fraction form
    58,386.84/87,444.18 = 45,196.80/x
  3. Step 3: Cross multiply
    58,386.84x = 87,444.18 × 45,196.80
  4. Step 4: Simplify right side
    58,386.84x = 3,952,197,114.62
  5. Step 5: Solve for x
    x = 3,952,197,114.62/58,386.84
  6. Step 6: Final answer
    x = 67,689.86

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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.