Home / 105,038.67-144,965.61-59,723.45

Finding the Fourth Proportional to 105,038.67, 144,965.61 and 59,723.45

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Solution

The fourth proportional to 105,038.67, 144,965.61 and 59,723.45 is: 82,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,038.67 : 144,965.61 = 59,723.45 : x
  2. Step 2: Convert to fraction form
    105,038.67/144,965.61 = 59,723.45/x
  3. Step 3: Cross multiply
    105,038.67x = 144,965.61 × 59,723.45
  4. Step 4: Simplify right side
    105,038.67x = 8,657,845,635.73
  5. Step 5: Solve for x
    x = 8,657,845,635.73/105,038.67
  6. Step 6: Final answer
    x = 82,425.32

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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.