Home / 70,842.50-97,762.66-39,011.34

Finding the Fourth Proportional to 70,842.50, 97,762.66 and 39,011.34

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Solution

The fourth proportional to 70,842.50, 97,762.66 and 39,011.34 is: 53,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,842.50 : 97,762.66 = 39,011.34 : x
  2. Step 2: Convert to fraction form
    70,842.50/97,762.66 = 39,011.34/x
  3. Step 3: Cross multiply
    70,842.50x = 97,762.66 × 39,011.34
  4. Step 4: Simplify right side
    70,842.50x = 3,813,852,368.56
  5. Step 5: Solve for x
    x = 3,813,852,368.56/70,842.50
  6. Step 6: Final answer
    x = 53,835.65

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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.