Home / 86,038.02-118,733.85-48,311.46

Finding the Fourth Proportional to 86,038.02, 118,733.85 and 48,311.46

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Solution

The fourth proportional to 86,038.02, 118,733.85 and 48,311.46 is: 66,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,038.02 : 118,733.85 = 48,311.46 : x
  2. Step 2: Convert to fraction form
    86,038.02/118,733.85 = 48,311.46/x
  3. Step 3: Cross multiply
    86,038.02x = 118,733.85 × 48,311.46
  4. Step 4: Simplify right side
    86,038.02x = 5,736,205,644.92
  5. Step 5: Solve for x
    x = 5,736,205,644.92/86,038.02
  6. Step 6: Final answer
    x = 66,670.59

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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.