Home / 70,715.57-97,587.32-40,510.67

Finding the Fourth Proportional to 70,715.57, 97,587.32 and 40,510.67

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Solution

The fourth proportional to 70,715.57, 97,587.32 and 40,510.67 is: 55,904.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,715.57 : 97,587.32 = 40,510.67 : x
  2. Step 2: Convert to fraction form
    70,715.57/97,587.32 = 40,510.67/x
  3. Step 3: Cross multiply
    70,715.57x = 97,587.32 × 40,510.67
  4. Step 4: Simplify right side
    70,715.57x = 3,953,327,026.21
  5. Step 5: Solve for x
    x = 3,953,327,026.21/70,715.57
  6. Step 6: Final answer
    x = 55,904.62

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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.