Home / 76,252.73-105,228.77-42,263.40

Finding the Fourth Proportional to 76,252.73, 105,228.77 and 42,263.40

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Solution

The fourth proportional to 76,252.73, 105,228.77 and 42,263.40 is: 58,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,252.73 : 105,228.77 = 42,263.40 : x
  2. Step 2: Convert to fraction form
    76,252.73/105,228.77 = 42,263.40/x
  3. Step 3: Cross multiply
    76,252.73x = 105,228.77 × 42,263.40
  4. Step 4: Simplify right side
    76,252.73x = 4,447,326,019.04
  5. Step 5: Solve for x
    x = 4,447,326,019.04/76,252.73
  6. Step 6: Final answer
    x = 58,323.50

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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.