Home / 61,338.04-84,710.75-42,267.40

Finding the Fourth Proportional to 61,338.04, 84,710.75 and 42,267.40

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Solution

The fourth proportional to 61,338.04, 84,710.75 and 42,267.40 is: 58,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,338.04 : 84,710.75 = 42,267.40 : x
  2. Step 2: Convert to fraction form
    61,338.04/84,710.75 = 42,267.40/x
  3. Step 3: Cross multiply
    61,338.04x = 84,710.75 × 42,267.40
  4. Step 4: Simplify right side
    61,338.04x = 3,580,502,519.66
  5. Step 5: Solve for x
    x = 3,580,502,519.66/61,338.04
  6. Step 6: Final answer
    x = 58,373.28

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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.