Home / 65,567.21-90,395.65-42,867.18

Finding the Fourth Proportional to 65,567.21, 90,395.65 and 42,867.18

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Solution

The fourth proportional to 65,567.21, 90,395.65 and 42,867.18 is: 59,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,567.21 : 90,395.65 = 42,867.18 : x
  2. Step 2: Convert to fraction form
    65,567.21/90,395.65 = 42,867.18/x
  3. Step 3: Cross multiply
    65,567.21x = 90,395.65 × 42,867.18
  4. Step 4: Simplify right side
    65,567.21x = 3,875,006,599.77
  5. Step 5: Solve for x
    x = 3,875,006,599.77/65,567.21
  6. Step 6: Final answer
    x = 59,099.76

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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.