Home / 58,258.16-87,326.64-39,539.72

Finding the Fourth Proportional to 58,258.16, 87,326.64 and 39,539.72

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Solution

The fourth proportional to 58,258.16, 87,326.64 and 39,539.72 is: 59,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,258.16 : 87,326.64 = 39,539.72 : x
  2. Step 2: Convert to fraction form
    58,258.16/87,326.64 = 39,539.72/x
  3. Step 3: Cross multiply
    58,258.16x = 87,326.64 × 39,539.72
  4. Step 4: Simplify right side
    58,258.16x = 3,452,871,112.46
  5. Step 5: Solve for x
    x = 3,452,871,112.46/58,258.16
  6. Step 6: Final answer
    x = 59,268.46

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1.5x scale

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.