Home / 97,653.70-134,746.16-56,826.96

Finding the Fourth Proportional to 97,653.70, 134,746.16 and 56,826.96

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Solution

The fourth proportional to 97,653.70, 134,746.16 and 56,826.96 is: 78,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,653.70 : 134,746.16 = 56,826.96 : x
  2. Step 2: Convert to fraction form
    97,653.70/134,746.16 = 56,826.96/x
  3. Step 3: Cross multiply
    97,653.70x = 134,746.16 × 56,826.96
  4. Step 4: Simplify right side
    97,653.70x = 7,657,214,360.34
  5. Step 5: Solve for x
    x = 7,657,214,360.34/97,653.70
  6. Step 6: Final answer
    x = 78,411.93

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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.