Home / 66,437.64-91,632.08-42,566.54

Finding the Fourth Proportional to 66,437.64, 91,632.08 and 42,566.54

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Solution

The fourth proportional to 66,437.64, 91,632.08 and 42,566.54 is: 58,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,437.64 : 91,632.08 = 42,566.54 : x
  2. Step 2: Convert to fraction form
    66,437.64/91,632.08 = 42,566.54/x
  3. Step 3: Cross multiply
    66,437.64x = 91,632.08 × 42,566.54
  4. Step 4: Simplify right side
    66,437.64x = 3,900,460,598.60
  5. Step 5: Solve for x
    x = 3,900,460,598.60/66,437.64
  6. Step 6: Final answer
    x = 58,708.60

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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.