Home / 70,938.10-97,900.41-39,110.02

Finding the Fourth Proportional to 70,938.10, 97,900.41 and 39,110.02

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Solution

The fourth proportional to 70,938.10, 97,900.41 and 39,110.02 is: 53,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,938.10 : 97,900.41 = 39,110.02 : x
  2. Step 2: Convert to fraction form
    70,938.10/97,900.41 = 39,110.02/x
  3. Step 3: Cross multiply
    70,938.10x = 97,900.41 × 39,110.02
  4. Step 4: Simplify right side
    70,938.10x = 3,828,886,993.11
  5. Step 5: Solve for x
    x = 3,828,886,993.11/70,938.10
  6. Step 6: Final answer
    x = 53,975.04

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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.