Home / 76,210.04-105,197.48-62,038.28

Finding the Fourth Proportional to 76,210.04, 105,197.48 and 62,038.28

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Solution

The fourth proportional to 76,210.04, 105,197.48 and 62,038.28 is: 85,635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,210.04 : 105,197.48 = 62,038.28 : x
  2. Step 2: Convert to fraction form
    76,210.04/105,197.48 = 62,038.28/x
  3. Step 3: Cross multiply
    76,210.04x = 105,197.48 × 62,038.28
  4. Step 4: Simplify right side
    76,210.04x = 6,526,270,719.53
  5. Step 5: Solve for x
    x = 6,526,270,719.53/76,210.04
  6. Step 6: Final answer
    x = 85,635.31

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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.