Home / 61,897.19-85,457.81-42,548.27

Finding the Fourth Proportional to 61,897.19, 85,457.81 and 42,548.27

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Solution

The fourth proportional to 61,897.19, 85,457.81 and 42,548.27 is: 58,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,897.19 : 85,457.81 = 42,548.27 : x
  2. Step 2: Convert to fraction form
    61,897.19/85,457.81 = 42,548.27/x
  3. Step 3: Cross multiply
    61,897.19x = 85,457.81 × 42,548.27
  4. Step 4: Simplify right side
    61,897.19x = 3,636,082,374.13
  5. Step 5: Solve for x
    x = 3,636,082,374.13/61,897.19
  6. Step 6: Final answer
    x = 58,743.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.