Home / 58,302.02-87,461.23-28,720.11

Finding the Fourth Proportional to 58,302.02, 87,461.23 and 28,720.11

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Solution

The fourth proportional to 58,302.02, 87,461.23 and 28,720.11 is: 43,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,302.02 : 87,461.23 = 28,720.11 : x
  2. Step 2: Convert to fraction form
    58,302.02/87,461.23 = 28,720.11/x
  3. Step 3: Cross multiply
    58,302.02x = 87,461.23 × 28,720.11
  4. Step 4: Simplify right side
    58,302.02x = 2,511,896,146.34
  5. Step 5: Solve for x
    x = 2,511,896,146.34/58,302.02
  6. Step 6: Final answer
    x = 43,084.20

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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.