Home / 70,656.07-97,509.73-40,440.74

Finding the Fourth Proportional to 70,656.07, 97,509.73 and 40,440.74

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Solution

The fourth proportional to 70,656.07, 97,509.73 and 40,440.74 is: 55,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,656.07 : 97,509.73 = 40,440.74 : x
  2. Step 2: Convert to fraction form
    70,656.07/97,509.73 = 40,440.74/x
  3. Step 3: Cross multiply
    70,656.07x = 97,509.73 × 40,440.74
  4. Step 4: Simplify right side
    70,656.07x = 3,943,365,638.40
  5. Step 5: Solve for x
    x = 3,943,365,638.40/70,656.07
  6. Step 6: Final answer
    x = 55,810.72

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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.