Home / 70,741.50-97,637.14-40,547.07

Finding the Fourth Proportional to 70,741.50, 97,637.14 and 40,547.07

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Solution

The fourth proportional to 70,741.50, 97,637.14 and 40,547.07 is: 55,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,741.50 : 97,637.14 = 40,547.07 : x
  2. Step 2: Convert to fraction form
    70,741.50/97,637.14 = 40,547.07/x
  3. Step 3: Cross multiply
    70,741.50x = 97,637.14 × 40,547.07
  4. Step 4: Simplify right side
    70,741.50x = 3,958,899,461.99
  5. Step 5: Solve for x
    x = 3,958,899,461.99/70,741.50
  6. Step 6: Final answer
    x = 55,962.90

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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.