Home / 58,140.10-87,210.15-14,364.10

Finding the Fourth Proportional to 58,140.10, 87,210.15 and 14,364.10

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Solution

The fourth proportional to 58,140.10, 87,210.15 and 14,364.10 is: 21,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,140.10 : 87,210.15 = 14,364.10 : x
  2. Step 2: Convert to fraction form
    58,140.10/87,210.15 = 14,364.10/x
  3. Step 3: Cross multiply
    58,140.10x = 87,210.15 × 14,364.10
  4. Step 4: Simplify right side
    58,140.10x = 1,252,695,315.62
  5. Step 5: Solve for x
    x = 1,252,695,315.62/58,140.10
  6. Step 6: Final answer
    x = 21,546.15

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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.