Home / 45,690.08-68,459.18-43,962.35

Finding the Fourth Proportional to 45,690.08, 68,459.18 and 43,962.35

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Solution

The fourth proportional to 45,690.08, 68,459.18 and 43,962.35 is: 65,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,690.08 : 68,459.18 = 43,962.35 : x
  2. Step 2: Convert to fraction form
    45,690.08/68,459.18 = 43,962.35/x
  3. Step 3: Cross multiply
    45,690.08x = 68,459.18 × 43,962.35
  4. Step 4: Simplify right side
    45,690.08x = 3,009,625,869.77
  5. Step 5: Solve for x
    x = 3,009,625,869.77/45,690.08
  6. Step 6: Final answer
    x = 65,870.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.