Home / 70,585.09-97,407.62-38,756.05

Finding the Fourth Proportional to 70,585.09, 97,407.62 and 38,756.05

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Solution

The fourth proportional to 70,585.09, 97,407.62 and 38,756.05 is: 53,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,585.09 : 97,407.62 = 38,756.05 : x
  2. Step 2: Convert to fraction form
    70,585.09/97,407.62 = 38,756.05/x
  3. Step 3: Cross multiply
    70,585.09x = 97,407.62 × 38,756.05
  4. Step 4: Simplify right side
    70,585.09x = 3,775,134,591.10
  5. Step 5: Solve for x
    x = 3,775,134,591.10/70,585.09
  6. Step 6: Final answer
    x = 53,483.46

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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.