Home / 61,166.34-84,430.55-38,543.45

Finding the Fourth Proportional to 61,166.34, 84,430.55 and 38,543.45

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Solution

The fourth proportional to 61,166.34, 84,430.55 and 38,543.45 is: 53,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,166.34 : 84,430.55 = 38,543.45 : x
  2. Step 2: Convert to fraction form
    61,166.34/84,430.55 = 38,543.45/x
  3. Step 3: Cross multiply
    61,166.34x = 84,430.55 × 38,543.45
  4. Step 4: Simplify right side
    61,166.34x = 3,254,244,356.60
  5. Step 5: Solve for x
    x = 3,254,244,356.60/61,166.34
  6. Step 6: Final answer
    x = 53,203.19

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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.