Home / 70,569.42-97,386.21-38,738.58

Finding the Fourth Proportional to 70,569.42, 97,386.21 and 38,738.58

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Solution

The fourth proportional to 70,569.42, 97,386.21 and 38,738.58 is: 53,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,569.42 : 97,386.21 = 38,738.58 : x
  2. Step 2: Convert to fraction form
    70,569.42/97,386.21 = 38,738.58/x
  3. Step 3: Cross multiply
    70,569.42x = 97,386.21 × 38,738.58
  4. Step 4: Simplify right side
    70,569.42x = 3,772,603,486.98
  5. Step 5: Solve for x
    x = 3,772,603,486.98/70,569.42
  6. Step 6: Final answer
    x = 53,459.47

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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.