Home / 70,986.16-98,048.12-53,160.76

Finding the Fourth Proportional to 70,986.16, 98,048.12 and 53,160.76

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Solution

The fourth proportional to 70,986.16, 98,048.12 and 53,160.76 is: 73,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,986.16 : 98,048.12 = 53,160.76 : x
  2. Step 2: Convert to fraction form
    70,986.16/98,048.12 = 53,160.76/x
  3. Step 3: Cross multiply
    70,986.16x = 98,048.12 × 53,160.76
  4. Step 4: Simplify right side
    70,986.16x = 5,212,312,575.77
  5. Step 5: Solve for x
    x = 5,212,312,575.77/70,986.16
  6. Step 6: Final answer
    x = 73,427.17

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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.