Home / 71,030.40-98,058.81-51,888.69

Finding the Fourth Proportional to 71,030.40, 98,058.81 and 51,888.69

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Solution

The fourth proportional to 71,030.40, 98,058.81 and 51,888.69 is: 71,633.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,030.40 : 98,058.81 = 51,888.69 : x
  2. Step 2: Convert to fraction form
    71,030.40/98,058.81 = 51,888.69/x
  3. Step 3: Cross multiply
    71,030.40x = 98,058.81 × 51,888.69
  4. Step 4: Simplify right side
    71,030.40x = 5,088,143,193.86
  5. Step 5: Solve for x
    x = 5,088,143,193.86/71,030.40
  6. Step 6: Final answer
    x = 71,633.32

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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.