Home / 105,788.40-145,987.98-60,467.35

Finding the Fourth Proportional to 105,788.40, 145,987.98 and 60,467.35

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Solution

The fourth proportional to 105,788.40, 145,987.98 and 60,467.35 is: 83,444.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,788.40 : 145,987.98 = 60,467.35 : x
  2. Step 2: Convert to fraction form
    105,788.40/145,987.98 = 60,467.35/x
  3. Step 3: Cross multiply
    105,788.40x = 145,987.98 × 60,467.35
  4. Step 4: Simplify right side
    105,788.40x = 8,827,506,282.45
  5. Step 5: Solve for x
    x = 8,827,506,282.45/105,788.40
  6. Step 6: Final answer
    x = 83,444.94

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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.