Home / 76,527.21-105,607.08-42,535.17

Finding the Fourth Proportional to 76,527.21, 105,607.08 and 42,535.17

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Solution

The fourth proportional to 76,527.21, 105,607.08 and 42,535.17 is: 58,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,527.21 : 105,607.08 = 42,535.17 : x
  2. Step 2: Convert to fraction form
    76,527.21/105,607.08 = 42,535.17/x
  3. Step 3: Cross multiply
    76,527.21x = 105,607.08 × 42,535.17
  4. Step 4: Simplify right side
    76,527.21x = 4,492,015,101.00
  5. Step 5: Solve for x
    x = 4,492,015,101.00/76,527.21
  6. Step 6: Final answer
    x = 58,698.27

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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.