Home / 65,386.32-90,266.43-46,281.05

Finding the Fourth Proportional to 65,386.32, 90,266.43 and 46,281.05

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Solution

The fourth proportional to 65,386.32, 90,266.43 and 46,281.05 is: 63,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,386.32 : 90,266.43 = 46,281.05 : x
  2. Step 2: Convert to fraction form
    65,386.32/90,266.43 = 46,281.05/x
  3. Step 3: Cross multiply
    65,386.32x = 90,266.43 × 46,281.05
  4. Step 4: Simplify right side
    65,386.32x = 4,177,625,160.15
  5. Step 5: Solve for x
    x = 4,177,625,160.15/65,386.32
  6. Step 6: Final answer
    x = 63,891.42

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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.