Home / 86,986.34-120,041.06-48,746.18

Finding the Fourth Proportional to 86,986.34, 120,041.06 and 48,746.18

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Solution

The fourth proportional to 86,986.34, 120,041.06 and 48,746.18 is: 67,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,986.34 : 120,041.06 = 48,746.18 : x
  2. Step 2: Convert to fraction form
    86,986.34/120,041.06 = 48,746.18/x
  3. Step 3: Cross multiply
    86,986.34x = 120,041.06 × 48,746.18
  4. Step 4: Simplify right side
    86,986.34x = 5,851,543,118.15
  5. Step 5: Solve for x
    x = 5,851,543,118.15/86,986.34
  6. Step 6: Final answer
    x = 67,269.68

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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.