Home / 70,533.10-97,335.80-38,702.24

Finding the Fourth Proportional to 70,533.10, 97,335.80 and 38,702.24

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Solution

The fourth proportional to 70,533.10, 97,335.80 and 38,702.24 is: 53,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,533.10 : 97,335.80 = 38,702.24 : x
  2. Step 2: Convert to fraction form
    70,533.10/97,335.80 = 38,702.24/x
  3. Step 3: Cross multiply
    70,533.10x = 97,335.80 × 38,702.24
  4. Step 4: Simplify right side
    70,533.10x = 3,767,113,492.19
  5. Step 5: Solve for x
    x = 3,767,113,492.19/70,533.10
  6. Step 6: Final answer
    x = 53,409.16

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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.